Air conditioner



FIG. 1 is a perspective view of an air conditioner showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is an enlarged sectional view thereof taken along line 8—8 in FIG. 2, wherein the internal mechanism is omitted; and,

FIG. 9 is another perspective view thereof in a state of operation.

The broken lines depict portions of the air conditioner that form no part of claimed design. 

The ornamental design for an air conditioner, as shown and described. 